Two Dodgers will undergo surgery soon, and at least one more could go under the knife before the team reports for spring training in 2013.

Matt Kemp said that he will have surgery on his left shoulder Friday, and could be sidelined anywhere from six weeks to four months. If he misses four months, Kemp would be able to resume throwing and hitting in the first week of February 2013.

That's about three weeks before position players traditionally report for spring training. Kemp admitted he might not be ready to go from the start.

"Hopefully just clean (the shoulder) up," Kemp said. "If they need to do more, they do more."

Dodgers head athletic trainer Sue Falsone said that Kemp's recovery time depends on the type of surgery. Debridement surgery is relatively minor and would allow Kemp to resume throwing 6 to 8 weeks afterward, while surgery to repair the torn labrum would require a four-month recovery period.

Kemp tore the labrum in his left shoulder when he crashed into the Coors Field wall on Aug. 28.

He managed to play through the pain, hitting .367 with four home runs and nine RBIs in the season's final eight games.

"If you MRI every guy out here," Falsone said as the team fanned out around the field during batting practice, "eight out of 10 guys have a labral tear. It's just a question of inflammation."

Kemp said that not having surgery was not an option.

"It's just something that needs to be done," he said. "Of course I'm nervous. I've never had surgery before."

Pitcher Kenley Jansen is scheduled to meet with Falsone and Dr. Koonlawee Nademanee early next week to determine when and where Jansen will undergo his cardiac ablation procedure. It is expected to take place sometime in October.

Jansen understands the risks of the procedure, which he hopes will correct his cardiac arrhythmia once and for all.